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<?php |
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/*~ class.smtp.php |
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.---------------------------------------------------------------------------. |
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| Software: PHPMailer - PHP email class | |
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| Version: 2.0.3 | |
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| Contact: via sourceforge.net support pages (also www.codeworxtech.com) | |
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| Info: http://phpmailer.sourceforge.net | |
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| Support: http://sourceforge.net/projects/phpmailer/ | |
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| ------------------------------------------------------------------------- | |
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| Author: Andy Prevost (project admininistrator) | |
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| Author: Brent R. Matzelle (original founder) | |
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| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved. | |
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| Copyright (c) 2001-2003, Brent R. Matzelle | |
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| ------------------------------------------------------------------------- | |
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| License: Distributed under the Lesser General Public License (LGPL) | |
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| http://www.gnu.org/copyleft/lesser.html | |
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| This program is distributed in the hope that it will be useful - WITHOUT | |
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| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
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| FITNESS FOR A PARTICULAR PURPOSE. | |
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| ------------------------------------------------------------------------- | |
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| We offer a number of paid services (www.codeworxtech.com): | |
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| - Web Hosting on highly optimized fast and secure servers | |
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| - Technology Consulting | |
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| - Oursourcing (highly qualified programmers and graphic designers) | |
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'---------------------------------------------------------------------------' |
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/** |
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* SMTP is rfc 821 compliant and implements all the rfc 821 SMTP |
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* commands except TURN which will always return a not implemented |
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* error. SMTP also provides some utility methods for sending mail |
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* to an SMTP server. |
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* @package PHPMailer |
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* @author Chris Ryan |
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*/ |
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class SMTP |
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{ |
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/** |
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* SMTP server port |
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* @var int |
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*/ |
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var $SMTP_PORT = 25; |
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|
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/** |
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* SMTP reply line ending |
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* @var string |
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*/ |
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var $CRLF = "\r\n"; |
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|
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/** |
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* Sets whether debugging is turned on |
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* @var bool |
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*/ |
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var $do_debug; # the level of debug to perform |
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|
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/** |
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* Sets VERP use on/off (default is off) |
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* @var bool |
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*/ |
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var $do_verp = false; |
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/**#@+ |
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* @access private |
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*/ |
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var $smtp_conn; # the socket to the server |
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var $error; # error if any on the last call |
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var $helo_rply; # the reply the server sent to us for HELO |
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/**#@-*/ |
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|
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/** |
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* Initialize the class so that the data is in a known state. |
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* @access public |
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* @return void |
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*/ |
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function SMTP() { |
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$this->smtp_conn = 0; |
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$this->error = null; |
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$this->helo_rply = null; |
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$this->do_debug = 0; |
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} |
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/************************************************************* |
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* CONNECTION FUNCTIONS * |
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***********************************************************/ |
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/** |
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* Connect to the server specified on the port specified. |
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* If the port is not specified use the default SMTP_PORT. |
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* If tval is specified then a connection will try and be |
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* established with the server for that number of seconds. |
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* If tval is not specified the default is 30 seconds to |
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* try on the connection. |
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* |
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* SMTP CODE SUCCESS: 220 |
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* SMTP CODE FAILURE: 421 |
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* @access public |
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* @return bool |
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*/ |
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function Connect($host,$port=0,$tval=30) { |
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# set the error val to null so there is no confusion |
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$this->error = null; |
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# make sure we are __not__ connected |
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if($this->connected()) { |
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# ok we are connected! what should we do? |
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# for now we will just give an error saying we |
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# are already connected |
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$this->error = array("error" => "Already connected to a server"); |
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return false; |
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} |
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if(empty($port)) { |
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$port = $this->SMTP_PORT; |
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} |
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#connect to the smtp server |
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$this->smtp_conn = fsockopen($host, # the host of the server |
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$port, # the port to use |
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$errno, # error number if any |
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$errstr, # error message if any |
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$tval); # give up after ? secs |
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# verify we connected properly |
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if(empty($this->smtp_conn)) { |
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$this->error = array("error" => "Failed to connect to server", |
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"errno" => $errno, |
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"errstr" => $errstr); |
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if($this->do_debug >= 1) { |
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echo "SMTP -> ERROR: " . $this->error["error"] . |
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": $errstr ($errno)" . $this->CRLF; |
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} |
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return false; |
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} |
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# sometimes the SMTP server takes a little longer to respond |
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# so we will give it a longer timeout for the first read |
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// Windows still does not have support for this timeout function |
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if(substr(PHP_OS, 0, 3) != "WIN") |
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socket_set_timeout($this->smtp_conn, $tval, 0); |
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# get any announcement stuff |
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$announce = $this->get_lines(); |
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# set the timeout of any socket functions at 1/10 of a second |
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//if(function_exists("socket_set_timeout")) |
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// socket_set_timeout($this->smtp_conn, 0, 100000); |
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if($this->do_debug >= 2) { |
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; |
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} |
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return true; |
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} |
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/** |
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* Performs SMTP authentication. Must be run after running the |
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* Hello() method. Returns true if successfully authenticated. |
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* @access public |
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* @return bool |
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*/ |
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function Authenticate($username, $password) { |
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// Start authentication |
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fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); |
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$rply = $this->get_lines(); |
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$code = substr($rply,0,3); |
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if($code != 334) { |
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$this->error = |
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array("error" => "AUTH not accepted from server", |
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"smtp_code" => $code, |
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"smtp_msg" => substr($rply,4)); |
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if($this->do_debug >= 1) { |
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echo "SMTP -> ERROR: " . $this->error["error"] . |
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": " . $rply . $this->CRLF; |
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} |
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return false; |
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} |
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// Send encoded username |
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fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); |
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$rply = $this->get_lines(); |
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$code = substr($rply,0,3); |
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if($code != 334) { |
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$this->error = |
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array("error" => "Username not accepted from server", |
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"smtp_code" => $code, |
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"smtp_msg" => substr($rply,4)); |
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if($this->do_debug >= 1) { |
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echo "SMTP -> ERROR: " . $this->error["error"] . |
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": " . $rply . $this->CRLF; |
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} |
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return false; |
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} |
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// Send encoded password |
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fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); |
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$rply = $this->get_lines(); |
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$code = substr($rply,0,3); |
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if($code != 235) { |
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$this->error = |
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array("error" => "Password not accepted from server", |
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"smtp_code" => $code, |
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"smtp_msg" => substr($rply,4)); |
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if($this->do_debug >= 1) { |
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echo "SMTP -> ERROR: " . $this->error["error"] . |
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": " . $rply . $this->CRLF; |
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} |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Returns true if connected to a server otherwise false |
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* @access private |
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* @return bool |
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*/ |
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function Connected() { |
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if(!empty($this->smtp_conn)) { |
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$sock_status = socket_get_status($this->smtp_conn); |
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if($sock_status["eof"]) { |
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# hmm this is an odd situation... the socket is |
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# valid but we are not connected anymore |
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if($this->do_debug >= 1) { |
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echo "SMTP -> NOTICE:" . $this->CRLF . |
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"EOF caught while checking if connected"; |
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} |
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$this->Close(); |
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return false; |
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} |
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return true; # everything looks good |
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} |
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return false; |
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} |
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/** |
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* Closes the socket and cleans up the state of the class. |
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* It is not considered good to use this function without |
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* first trying to use QUIT. |
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* @access public |
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* @return void |
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*/ |
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function Close() { |
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$this->error = null; # so there is no confusion |
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$this->helo_rply = null; |
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if(!empty($this->smtp_conn)) { |
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# close the connection and cleanup |
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fclose($this->smtp_conn); |
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$this->smtp_conn = 0; |
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} |
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} |
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/*************************************************************** |
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* SMTP COMMANDS * |
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*************************************************************/ |
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/** |
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* Issues a data command and sends the msg_data to the server |
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* finializing the mail transaction. $msg_data is the message |
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* that is to be send with the headers. Each header needs to be |
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* on a single line followed by a <CRLF> with the message headers |
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* and the message body being seperated by and additional <CRLF>. |
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* |
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* Implements rfc 821: DATA <CRLF> |
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* |
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* SMTP CODE INTERMEDIATE: 354 |
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* [data] |
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* <CRLF>.<CRLF> |
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* SMTP CODE SUCCESS: 250 |
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* SMTP CODE FAILURE: 552,554,451,452 |
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* SMTP CODE FAILURE: 451,554 |
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* SMTP CODE ERROR : 500,501,503,421 |
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* @access public |
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* @return bool |
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*/ |
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function Data($msg_data) { |
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$this->error = null; # so no confusion is caused |
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if(!$this->connected()) { |
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$this->error = array( |
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"error" => "Called Data() without being connected"); |
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return false; |
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} |
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fputs($this->smtp_conn,"DATA" . $this->CRLF); |
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$rply = $this->get_lines(); |
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$code = substr($rply,0,3); |
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if($this->do_debug >= 2) { |
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echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
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} |
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if($code != 354) { |
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$this->error = |
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array("error" => "DATA command not accepted from server", |
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"smtp_code" => $code, |
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"smtp_msg" => substr($rply,4)); |
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if($this->do_debug >= 1) { |
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echo "SMTP -> ERROR: " . $this->error["error"] . |
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": " . $rply . $this->CRLF; |
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} |
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return false; |
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} |
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# the server is ready to accept data! |
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# according to rfc 821 we should not send more than 1000 |
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# including the CRLF |
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# characters on a single line so we will break the data up |
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# into lines by \r and/or \n then if needed we will break |
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# each of those into smaller lines to fit within the limit. |
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# in addition we will be looking for lines that start with |
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# a period '.' and append and additional period '.' to that |
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# line. NOTE: this does not count towards are limit. |
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# normalize the line breaks so we know the explode works |
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$msg_data = str_replace("\r\n","\n",$msg_data); |
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$msg_data = str_replace("\r","\n",$msg_data); |
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$lines = explode("\n",$msg_data); |
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# we need to find a good way to determine is headers are |
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# in the msg_data or if it is a straight msg body |
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# currently I am assuming rfc 822 definitions of msg headers |
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# and if the first field of the first line (':' sperated) |
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# does not contain a space then it _should_ be a header |
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# and we can process all lines before a blank "" line as |
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# headers. |
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$field = substr($lines[0],0,strpos($lines[0],":")); |
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$in_headers = false; |
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if(!empty($field) && !strstr($field," ")) { |
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$in_headers = true; |
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} |
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$max_line_length = 998; # used below; set here for ease in change |
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while(list(,$line) = @each($lines)) { |
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$lines_out = null; |
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if($line == "" && $in_headers) { |
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$in_headers = false; |
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} |
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# ok we need to break this line up into several |
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# smaller lines |
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while(strlen($line) > $max_line_length) { |
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$pos = strrpos(substr($line,0,$max_line_length)," "); |
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# Patch to fix DOS attack |
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if(!$pos) { |
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$pos = $max_line_length - 1; |
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} |
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$lines_out[] = substr($line,0,$pos); |
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$line = substr($line,$pos + 1); |
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# if we are processing headers we need to |
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# add a LWSP-char to the front of the new line |
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# rfc 822 on long msg headers |
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if($in_headers) { |
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$line = "\t" . $line; |
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} |
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} |
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$lines_out[] = $line; |
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|
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# now send the lines to the server |
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while(list(,$line_out) = @each($lines_out)) { |
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if(strlen($line_out) > 0) |
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{ |
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if(substr($line |